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Finding the Fourth Proportional to 182.83, 274.38 and 67.29

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Solution

The fourth proportional to 182.83, 274.38 and 67.29 is: 100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.83 : 274.38 = 67.29 : x
  2. Step 2: Convert to fraction form
    182.83/274.38 = 67.29/x
  3. Step 3: Cross multiply
    182.83x = 274.38 × 67.29
  4. Step 4: Simplify right side
    182.83x = 18,461.49
  5. Step 5: Solve for x
    x = 18,461.49/182.83
  6. Step 6: Final answer
    x = 100.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.